FVXX23 KNES 210033 VA ADVISORY DTG: 20190521/0033Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/556 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. WEB CAM. NWP MODELS. VOLCAT. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 21/0010Z OBS VA CLD: SFC/FL160 S0002 W07755 - S0004 W07740 - S0006 W07740 - S0011 W07756 - S0002 W07755 MOV W 5-10KT FCST VA CLD +6HR: 21/0600Z SFC/FL160 N0002 W07755 - S0004 W07738 - S0005 W07741 - S0008 W07756 - N0002 W07755 FCST VA CLD +12HR: 21/1200Z SFC/FL160 N0002 W07753 - S0004 W07740 - S0006 W07740 - S0005 W07755 - N0002 W07753 FCST VA CLD +18HR: 21/1800Z SFC/FL160 S0004 W07740 - S0005 W07741 - S0013 W07753 - S0006 W07756 - S0004 W07740 RMK: ALTHOUGH WX CLDS OBSTRUCT STLT AND WEBCAM IMAGERY THE GEOPHYSICAL INST SUGGESTS ONGOING INTERMITTENT ACT. THIS IS IN LINE WITH RECENT HISTORICAL ACT AT THIS VOLCANO. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20190521/0630Z